| Official Name: | San Marcos |
| Pushpin Map: | Honduras |
| Pushpin Label Position: | right |
| Pushpin Mapsize: | 300 |
| Pushpin Map Caption: | Location in Honduras |
| Subdivision Type: | Country |
| Subdivision Name: | Honduras |
| Subdivision Type1: | Department |
| Subdivision Name1: | Santa Bárbara |
| Subdivision Type2: | Villages |
| Subdivision Name2: | 20 |
| Area Total Km2: | 220 |
| Population As Of: | 2020 projection |
| Population Footnotes: | [1] |
| Settlement Type: | Municipality |
| Population Total: | 16258 |
| Population Density Km2: | auto |
| Population Urban: | 6178 |
| Blank1 Name: | Climate |
| Blank1 Info: | Aw |
| Timezone: | Central America |
| Utc Offset: | -6 |
| Coordinates: | 15.3°N -113°W |
San Marcos is a town, with a population of 5,660 (2013 census),[2] and a municipality in the Honduran department of Santa Bárbara. Since 2006 it has been known as the "La Capital de los Juegos Tradicionales de Honduras" (The Capital of Traditional Honduran Games")
At the time of the 2013 Honduras census, San Marcos municipality had a population of 15,229. Of these, 88.36% were Mestizo, 10.97% White, 0.41% Black or Afro-Honduran, 0.23% Indigenous and 0.02% others.[3]